Safety-Rated Interlock Switches

Safety rated interlock switches are safeguarding measures designed to improve safety in situations where guards or gates are used around hazardous machinery or equipment.

What are safety rated interlock switches used for?

In industrial situations, safety rated interlock switches prevent or permit the use of machinery, depending on safety conditions. They allow current to pass to the machine when it is safe to operate, for example when the machine's guard is closed. And they cut off the power if there's a potential hazard, such as a guard being opened. When a dangerous piece of equipment such as a metalworking machine is in operation, safety rated interlock switch might be used to ensure safety gates remain closed, excluding workers from hazardous areas.

Types of safety rated interlock switches

Safety rated interlock switches vary according to their lock type, maximum current and voltage, as well as their housing material. Guard-locking switches prevent access to machine parts that may still be in motion, even when the power has been cut. Hinge switches will close protective gates and guards in unsafe conditions.


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Description Price Connection Type Lock Style Normal State Configuration Lock Type Actuator Included Housing Material Maximum AC Voltage Safety Contacts Maximum DC Voltage Range IP Rating Number of Head Directions Series Auxiliary Contacts
RS庫存編號 754-8284
製造零件編號3SE5122-0QV10
BrandSiemens
HK$958.27
單位
M20 Key 2NC/1NO - - Metal 230V 2NC 230V Sirius IP66, IP67 5 3SE5 1NO
RS庫存編號 754-8287
製造零件編號3SE5122-3QV10
BrandSiemens
HK$1,213.95
單位
M20 Key 2NC/1NO - - Metal 230V 2NC 230V Sirius IP66, IP67 5 3SE5 1NO
RS庫存編號 754-8293
製造零件編號3SE5112-3QV10
BrandSiemens
HK$671.43
單位
M20 Key 2NC/1NO - - Metal 230V 2NC 230V Sirius IP66, IP67 5 3SE5 1NO
RS庫存編號 498-915
製造零件編號3SE5112-1QV10
BrandSiemens
HK$1,181.72
單位
M20 Key 2NC/1NO - - Metal - - 24V Sirius IP66, IP67 5 3SE5 2NC/1NO
RS庫存編號 754-8300
製造零件編號3SE5212-0QV40
BrandSiemens
HK$655.32
單位
M20 Key 2NC/1NO - - Metal 230V 2NC 230V Sirius IP66, IP67 5 3SE5 1NO
RS庫存編號 755-7935
製造零件編號3SE5242-0QV40
BrandSiemens
HK$615.57
單位
M20 Key 2NC/1NO - - Plastic 230V 2NC 230V Sirius IP66, IP67 5 3SE5 1NO
RS庫存編號 754-8281
製造零件編號3SE5122-1QV10
BrandSiemens
HK$1,181.72
單位
M20 Key 2NC/1NO - - Metal 230V 1NC 24V Sirius IP66, IP67 5 3SE5 2NO
RS庫存編號 498-927
製造零件編號3SE5232-0QV40
BrandSiemens
HK$407.30
單位
M20 Key 2NC/1NO - - Plastic 230V - 230V Sirius IP65 5 3SE5 2NC/1NO
RS庫存編號 755-7948
製造零件編號3SE5234-0QV40-1AE0
BrandSiemens
HK$797.13
單位
M20 Key 2NC - - Plastic 230V - 230V Sirius IP65 5 3SE5 2NC
RS庫存編號 498-921
製造零件編號3SE5232-0RV40
BrandSiemens
HK$525.33
單位
M20 Key 1NC/1NO - - Plastic 230V - 230V Sirius IP65 5 3SE5 NC/NO
RS庫存編號 498-911
製造零件編號3SE5112-0QV10
BrandSiemens
HK$957.20
單位
M20 Key 2NC/1NO - - Metal 230V - 230V Sirius IP66, IP67 5 3SE5 2NC/1NO
RS庫存編號 754-8316
製造零件編號3SE5212-3RV40
BrandSiemens
HK$885.22
單位
M20 Key 1NC/1NO - - Metal 230V 1NC 230V Sirius IP66, IP67 5 3SE5 1NO
RS庫存編號 754-8304
製造零件編號3SE5212-0RV40
BrandSiemens
HK$616.64
單位
M20 Key 1NC/1NO - - Metal 230V 1NC 230V Sirius IP66, IP67 5 3SE5 1NO